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STATS - One manufacturer's high-quality product rate is 30%

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Question;One manufacturer's high-quality product rate is 30%. recently, a sample with size 15 products is collected. among them, 3 are with high quality. Can we say the high-quality rate remains 30% using level of significance (alpha symbol)=0.05?We can find that n(pi)=15 x 0.3 = 4.5

 

Paper#62267 | Written in 18-Jul-2015

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